{"product_id":"the-volta-constant-42v-li-ion-charger","title":"The Volta Constant | 42V 2A Smart Li-ion Battery Charger for 36V Systems","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eA battery charger is a quiet contract: it promises to restore power without drama, to know when to stop and never to overstep. The Volta Constant honors that contract. This 42V 2A smart charger is built for 36V lithium battery packs, the workhorse chemistry behind e-bikes, scooters, power tools and solar storage, and it brings the discipline of industrial charging to a bench-top device. Where cheap chargers overheat, buzz and cut out early, this one does its work with the even temper of equipment that was designed to be trusted.\u003c\/p\u003e\n\u003cp\u003eInput accepts the global 100-240VAC range, so the same charger travels across borders without an adapter gamble. The intelligent charge circuit applies constant current then constant voltage, easing off as the pack fills and cutting off cleanly when full, while OVP, OCP, overload and short-circuit protection stand guard against the failures that ruin packs and frustrate owners. A clear two-color indicator tells you at a glance whether it is charging or finished, and multiple plug types cover the major outlets of the world, from the workshop to the hotel room.\u003c\/p\u003e\n\u003cp\u003eReliability is the entire point. The Volta Constant is the charger you reach for because you trust it not to overheat, not to overcharge, and not to shorten the life of an expensive battery. For workshop owners, e-bike commuters and anyone managing a 36V fleet, this is the quiet guardian that keeps power coming back, safely, night after night. A charger is not glamorous, but it is the difference between a battery that lasts and one that quietly loses its capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is not a charger. It is a guardian of battery chemistry.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003chr style=\"margin:20px 0;border:0;border-top:1px solid #eee;\"\u003e\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ 42V 2A output designed for 36V lithium battery packs\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ Smart constant-current, constant-voltage charging curve\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ Global 100-240VAC input for travel and export use\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ OVP, OCP, overload and short-circuit protection\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ Clear red\/green LED charging status indicator\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ Multiple plug options: EU, US, AU, UK\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e✦ CE-certified for safe, reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e 100-240VAC, 50\/60Hz\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 42V 2A\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eCompatible:\u003c\/strong\u003e 36V lithium ion \/ lithium polymer packs (10-series)\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Max 63W\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e OVP, OCP, overload, short-circuit\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e Red = charging, Green = full\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003ePlug Types:\u003c\/strong\u003e EU, US, AU, UK\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;border-bottom:1px solid #f0f0f0;\"\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Charger unit and power cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe Volta Constant anchors the charging station of anyone running 36V lithium systems. E-bike and e-scooter commuters rely on it for a predictable overnight charge. Workshop operators keep one per bench for cordless tool batteries and prototype packs. Off-grid builders pair it with solar storage, and fleet managers standardize on its protective charging curve to extend pack life across dozens of units. Wherever a 36V pack needs a dependable top-up, this charger is the quiet constant.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What battery voltage does this charger work with?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is designed for 36V lithium ion and lithium polymer battery packs wired in 10-series configuration, delivering a 42V 2A charging output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it safe to leave connected when the battery is full?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The smart circuit cuts charging when the pack reaches full voltage, and the built-in OVP, OCP, overload and short-circuit protections add an extra layer of safety.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this charger internationally?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The input accepts the global 100-240VAC range. Choose the matching plug variant for your country, or use a travel adapter, and it will charge normally.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when charging is complete?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: A two-color LED indicator shows red while charging and green when the battery is full, so you can check the state at a glance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this charger work for power tool batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It suits any 36V lithium pack in 10-series configuration, including many e-bike, scooter and tool batteries. Confirm your pack's voltage and series count before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What protection does it offer against overcharging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The charging curve reduces current as the pack fills and terminates cleanly at full voltage, backed by dedicated over-voltage, over-current, overload and short-circuit protection circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this charge a battery while it is still connected to a device?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is designed to charge a stand-alone battery pack. For packs still wired to a device, follow the manufacturer's guidance, as some systems require the pack to be disconnected for balanced charging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the charger noisy or does it overheat?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is engineered for quiet, cool operation. The protective circuits and efficient charging curve keep it within a comfortable temperature range during normal use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top:30px;text-align:center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H0d497faa73bf464fa2905a972d9ae87bf.webp?v=1720832939\" alt=\"The Volta Constant | 42V 2A Smart Li-ion view\" style=\"max-width:100%;margin:8px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H7f8bd459d5834bac8d7bed558fb172e34.webp?v=1720832938\" alt=\"The Volta Constant | 42V 2A Smart Li-ion view\" style=\"max-width:100%;margin:8px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Hb2d8f6c742de461196018579fc19bda0A.webp?v=1720832938\" alt=\"The Volta Constant | 42V 2A Smart Li-ion view\" style=\"max-width:100%;margin:8px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Ha628cf1631ab43a7b5d4132a03b5b8e0K.webp?v=1720832938\" alt=\"The Volta Constant | 42V 2A Smart Li-ion view\" style=\"max-width:100%;margin:8px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H761228b8ff564e64b07ef7f29f51a3793.webp?v=1720832938\" alt=\"The Volta Constant | 42V 2A Smart Li-ion view\" style=\"max-width:100%;margin:8px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Ha661de7eeaed453da53a9d932ff714ec8.webp?v=1720832939\" alt=\"The Volta Constant | 42V 2A Smart Li-ion view\" style=\"max-width:100%;margin:8px 0;\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\/\", \"@type\": \"Product\",\n \"name\": \"The Volta Constant | 42V 2A Smart Li-ion Battery Charger for 36V Systems\",\n \"image\": [\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H0d497faa73bf464fa2905a972d9ae87bf.webp?v=1720832939\"],\n \"description\": \"42V 2A smart lithium battery charger for 36V packs, global 100-240VAC input, CE-certified with multi-layer protection.\",\n \"brand\": {\"@type\": \"Brand\", \"name\": \"EastSupplier\"},\n \"offers\": {\"@type\": \"Offer\", \"priceCurrency\": \"USD\", \"price\": \"25.74\", \"availability\": \"https:\/\/schema.org\/InStock\", \"url\": \"https:\/\/eastsupplier.com\/products\/the-volta-constant-42v-li-ion-charger\"},\n \"aggregateRating\": {\"@type\": \"AggregateRating\", \"ratingValue\": \"4.7\", \"reviewCount\": \"7\"}\n}\u003c\/script\u003e","brand":"East Supplier Platform","offers":[{"title":"AU","offer_id":46115752509663,"sku":"32867498797-AU","price":24.89,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":46115752575199,"sku":"32867498797-UK","price":25.74,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":46115752607967,"sku":"32867498797-EU","price":24.38,"currency_code":"USD","in_stock":true},{"title":"us","offer_id":46115752640735,"sku":"32867498797-us","price":24.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H0d497faa73bf464fa2905a972d9ae87bf.webp?v=1720832939","url":"https:\/\/eastsupplier.com\/pt-pt\/products\/the-volta-constant-42v-li-ion-charger","provider":"EastSupplier Platform","version":"1.0","type":"link"}